Radiator



L. LITHMAN' RADIATOR Jan. 9, 1934.

Filed May 4, 1953 INVENTOR A Zeo aZd Z hi ATTORNEY Patented Jan. 9, 1934 RADIATOR Leopold Lithman, New York, N. Y.

Application May 4, 1933. Serial No. 669,304

'1 Claim.

This invention relates to radiator structures and has for its object to provide a radiator of very simple construction, composed of a number of similar easily assembled units permitting the radiator to be built up to any suitable size to meet various heating requirements. The invention is particularly adapted to electrically heated radiators, although it may be used very successfully in connection with other kinds of heat. A further object of the invention is to provide a rediator having a very great degree of heating efflciency.

A still further object of the invention is to provide a radiator composed or built up of like parts so that great ease in the manufacture and assembly of the device is possible.

More specifically, the invention contemplates a radiator composed of a plurality of separated yet closely spaced, flat, tubular sheet metal openended cells or flues which are'held in their spaced relationship by means of elongated, relatively thin cast metal spacers which are apertured and located in alignment to co-operate with apertures formed in the flue walls to form several watercirculating passages through which a free circulation of the heated water may be had to heat air passing upward through the flues and around the spacers.

These and other objects are attained by the structure of this invention, a more particular description of which appears hereinafter.

Referring to the accompanying drawing, in which the preferred embodiment of the invention is shown, Figure 1 is a vertical sectional view through the improved radiator, taken on the line 1-1 of Figure 3, looking in the direction of the arrows;

Figure 2 is a sectional view on the line 2-2 of Figure 1, looking in the direction of the arrows;

Figure 3 is a plan view of the improved radiator;

Figure 4 is a side elevation of a part of one of the flues or cells showing the openings formed therein;

Figure 5 is a view of one face of one of the spacing elements or flue separators;

Figure 6 is a side elevation of the element disclosed in Figure 5;

Figure '7 is a face view of a modified spacing element or separator; and

Figure 8 is a face view of one of the end members of the radiator assembly.

The improved radiator is provided with a number of spaced cells or flues 10, each of which is formed of elongated sheet metal plates 10a as clearly shown in Figures 1 and 3, the longitudinal edges of one of the plates 10a being bent at 11 to embrace the longitudinal edges of the other section so that the two plates thus united co-operate 0 to form a relatively flat, tubular open-ended flue. These-fines or cells 10 are held in spaced-apart relationship by cast metal spacers or separators 12, the construction of which is clearly shown in Figures 5, 6, and '7. Each of the separators con- 5 sists of a relatively flat section of metal provided with openings 13, 14 and 15 and edge recesses 40. One face of each of the separators is provided with a continuous projecting wall or rib 16, and the opposite face is provided with a cor- 7 responding groove 17.

The radiator in its assembled condition is shown in Figures 1 and 2 wherein it will be seen that a number of the flues are placed together with the separators interposed between the two wall 7 plates 10a of each flue and also between the walls of the adjacent flues. The ribs 16 in each of the separators fit into complementary grooves pressed in the wall plates 10a of each of the flues. These pressed out grooves in the wall plates of the fines so have their convex side extending into the grooves 1'7 provided in one of the faces of the separators. This interlocking flt of the flue walls and separators forms an effective water-tight bond between the fiues and separators.

The walls 10a of the fiues are each provided with openings 18, 19 and 20 corresponding to and registering with the similar openings 13, 14 and 15 in the separators 12 when the radiator is'assembled- Consequently, when the flues and separators are placed together, a plurality of water-circulating passages are formed through the fines and separators as clearly shown in Figure 1.

At each end of the radiator assembly is provided an end element or closure member as shown at 21 and 22 in Figures 1 and 3. Each of said end elements is provided with passages 23, '24 and 25 registering with the similar openings 18, 19 and 20 in the flues and also with the openings 13, 1a and 15 provided in the separators 12. In the end elements 21 and 22 the several passages 23, 24 and 25 do not pass completely through the members but are connected by a vertical passage 26 which leads to a nipple 27 to which a pipe 28 is connected. One of these pipes 28 constitutes an inlet pipe and the other an outlet pipe for water which circulates continuously through the several continuous passages of the radiator, which passages are deflned by the openings 13, 14 and 15 in the separators, the openings 18, 19 and 20 in 11g the lines, and the passages 23, 24, 25 and 26 inv the end elements 21 and 22.

In the operation of the radiator, the air passes upwardly through the lines and moves upwardly around the spacers 12 which present their narrower ends at the tops and bottoms of the fiues and thus offer little resistance to the passage of air through the fines, and passes upwardly and outwardly through the fines to heat the room. The air passing around the heated members 12 and heated flue walls 1011 becomes rapidly heated.

The radiator assembly is held together by the lengthy threaded rods or bolts 29 and 30 which extend through the end member 21, pass through the recesses 40 in the separators 12, through the holes ll in the hue walls 10a, and thread into the end member 22, thus acting to hold the fiues 10, spacers l2 and end members 21 and 22 securely clamped together in operative assembly.

In the construction of the separators shown in Figure 5, each separator is provided with a relatively large central aperture 14 and smaller upper and lower apertures 13 and 15, the flue walls 10a being similarly apertured as clearly shown in Figure 4. In the modification shown in Figure 7, the separator is provided with four like apertures 42. When separators or" this kind are used, flue walls and end members similarly apertured are also used in co-operation with such separators.

What I claim is:

i. A radiator structure having a body portion composed of a plurality of like apertured cast metal elements placed together to form a water circulating chamber, a plurality of fines com prising open-ended tubular elements having parts of their walls interposed between the aper= tured cast metal elements, the portions of the walls of said ilues located between the cast metal elements being apertured similarly to the cast metal elements, so that an uninterrupted water circulating chamber is formed by the cast metal elements and the fiues.

2. A radiator structure consisting of a plurality of open-ended tubular flues, a plurality of spacing members located between the walls of the iiues, each of said spacing members being provided with several openings extending through it, the various spacing members being placed together with their openings in registration so that the various spacing members co-operate to form several separate water-circulating passages, the walls oi the fiues being provided with openings corresponding in shape and number to those in. each of the spacing members so that an un= impeded passage of water through the spacing .members and fiue wall openings is provided.

3. A radiator structure having a body portion composed of a plurality of like, apertured, elements placed together to form a water-circulating chamber having several passages through it, flues positioned between the elements and projecting from the same, the faces of the elements being ribbed and recessed and the walls of the dues being complementarily ribbed and recessed to receive the faces of the elements and form a water-tight joint therewith.

4. In a radiator assembly, flues with spacing elements located between them, the spacing ele= ments having several water passages through them, the spacing elements being located between the due walls and cc-operating with similar open ings in said flue walls to form several spaced water-circulating passages.

5. In a radiator assembly, spaced tubular hues, tubular spacing members located between the walls of the lines, each of said spacing members having several passages extending through it, the walls of the lines being apertured to correspond in number and shape to the passages in the spac ing members, the faces of the spacing members being ribbed and recessed and the faces of the ilue walls being similarly ribbed and recessed.

6. A radiator structure having a body portion composed oi a plurality of lilre, apertured, cast metal elements placed together to form a watercirculating chamber provided with several separate passages extending through it, a plurality of dues comprising open-ended tubular elements having sheet metal walls, parts of said walls being interposed between the apertured cast metal ele ments, the parts of the walls of said fiues located llllb between the cast metal elements having apertures conforming in number and shape to the apertures in the cast metal elements so that an uninterrupted water-circulating chamber having several passages extending through it is formed m5 by the cast metal elements and the flues.

T1. In a radiator assembly, fiues with spacing elements located between them, the spacing elenments having several water passages extending through them and having recesses in their longi- 11gb tudinal edges, said spacing elements being located between the flue walls and cc-operating with similar water passages formed in the walls to form several spaced water circulating passages, closed end members at the ends of said water-circulating 11,25 passages and bolts connecting said end members and clamping the blues and spacing elements between said end members, said bolts being lc= cated in reces es the spacing elements.

LEOPOLD LITHIMAN.

till) lldll 

